<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <table>
        <div>
            发送验证码
        </div>
        <input type="number">
        <button>点击发送验证码</button>
</body>
<script>
    var buttonDom = document.querySelector("button");
    var time = 60;
    buttonDom.onclick = function(){
        buttonDom.disabled = true;
        console.log("触发点击事件，发送验证码");
        buttonDom.innerText = time;
        var interval = setInterval(function(){
            time--;
            console.log(time);
            buttonDom.innerText = time;
            if( time == 0){
                buttonDom.disabled = false;
                buttonDom.innerText = "点击发送验证码";
                time = 60;
                clearInterval(interval);
            }
        }, 1000);
    }
    
</script>
</html>